A. Verb
B. Interjective
C. Adverb
D. Pronoun
🧠 Explanation:
In “Where have you been all day?”, “where” is an adverb. For English students, this highlights parts of speech, making it a key topic for studying grammar, linguistic clarity, and sentence structure. Adverbs modify verbs. Understanding this improves grammatical precision. It’s essential for mastering grammar in communication. Studying adverbs offers insights into how language conveys location, crucial for English, journalism, and communication.